From: Walter Lozano <walter.lozano@collabora.com>
Date: Sat, 18 Dec 2021 01:44:09 +0000 (-0300)
Subject: Fix check for tape device
X-Git-Tag: v3.6.0~30^2
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=refs%2Fpull%2F1640%2Fhead;p=thirdparty%2Flibarchive.git

Fix check for tape device

In b6b423f0 a fallback in tar to stdio was implemented. However, the check
for the tape device didn't interpret the correct value returned from
access(). Fix the check to implement the fallback to stdio properly.

Signed-off-by: Walter Lozano <walter.lozano@collabora.com>
---

diff --git a/tar/bsdtar.c b/tar/bsdtar.c
index b55b4c6c0..75249d105 100644
--- a/tar/bsdtar.c
+++ b/tar/bsdtar.c
@@ -216,9 +216,9 @@ main(int argc, char **argv)
 #if defined(_PATH_DEFTAPE)
 	if (bsdtar->filename == NULL) {
 #if defined(_WIN32) && !defined(__CYGWIN__)
-		int tapeExists = _access(_PATH_DEFTAPE, 0);
+		int tapeExists = !_access(_PATH_DEFTAPE, 0);
 #else
-		int tapeExists = access(_PATH_DEFTAPE, F_OK);
+		int tapeExists = !access(_PATH_DEFTAPE, F_OK);
 #endif
 		if (tapeExists) {
 			bsdtar->filename = _PATH_DEFTAPE;